目的分析EB病毒感染与维吾尔族霍奇金淋巴瘤(HL)患者临床病理特征的相关性及研究EB病毒阳性的维吾尔族HL患者中潜伏膜蛋白(LMP)2A蛋白的表达状况。方法用原位杂交的方法分别对40例维吾尔族HL及20例淋巴结反应性增生组织标本进行EB病毒检测;以免疫组织化学(PV9000通用型法)检测EB病毒阳性的HL患者LMP2A蛋白表达状况。结果40例维吾尔族HL患者标本中,EB病毒编码的小分子RNA(EBER)阳性率为65.0%(26/40),淋巴结反应性增生组中EBER阳性率为5/20,两组问差异具有统计学意义(P〈0.05)。EBER阳性率在HL患者的不同年龄、性别、分期、类型及是否伴有巨大肿块各组间差异无统计学意义(P〉0.05),而病理亚型之间差异有统计学意义(P〈0.05),伴有B症状的HL患者多有EB病毒感染(P=0.02)。EB病毒阳性HL患者中LMP2A蛋白阳性表达率为57.7%(15/26),多在MC型及NS型中表达,而EB病毒阳性的淋巴结反应性增生组中未发现LMP2A蛋白表达。结论维吾尔族HL患者EB病毒感染率较高,且与临床病理特征的关系存在自身特点,提示维吾尔族HL的发生与EB病毒相关。
Objective To investigate Epstein-Barr virus (EBV) infection in Hodgkin's lymphoma (HL) of Uygur patients and related clinicopathological characteristics. Methods EBV-encoded small RNA (EBER) was detected in 40 cases of HL and 20 cases of lymphoid reactive hyperplasia by in-situ hybridization. Expression of LMP2A in HL was investigated by immunohistochemistry. Results EBV was detected in 26/40 (65.0%) of HL and 5/20 of lymphoid reactive hyperplasia (P 〈 O. 05 ). The expression level of EBER showed significant difference among various histological subtypes of HL ( P 〈 0. 05 ) and between patients with and without B symptom (P = O. 02). However, no difference was found in relation to gender, clinical stage and tumor burden. The expression of LMP2A in the mixed cellularity and nodular sclerosis classical HL associated with EBV infection was 57. 7% (15/26). Expression of LMP2A was not detected in lymphoid reactive hyperplasia cases. Conclusion Uyghur patients with Hodgkin's lymphoma have a high infection rate of EBV and distinct clinicopathologic characteristics.